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Steam Boilers, Engines, Nozzles and Turbines

Steam Boilers, Engines, Nozzles and Turbines
One kg of steam sample contains 0.8 kg dry steam? Its dryness fraction is

0.8
0.6
1
0.2

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Steam Boilers, Engines, Nozzles and Turbines
The working pressure range for a LaMont boiler is

2.5 to 15 MN/m²
0.5 to 10 MN/m²
1 to 15 MN/m²
3.5 to 20 MN/m²

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Steam Boilers, Engines, Nozzles and Turbines
The critical pressure ratio for initially wet steam is

0.601
0.577
0.546
0.582

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Steam Boilers, Engines, Nozzles and Turbines
The fire tubes in a Cochran boiler usually have _________ diameter.

92.5 mm
62.5 mm
72.5 mm
6.25 mm

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Steam Boilers, Engines, Nozzles and Turbines
Throttle governing of steam engines is a method of controlling the engine output by varying

Pressure of intake steam
Temperature of intake steam
All of these
Volume of intake steam

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Steam Boilers, Engines, Nozzles and Turbines
Parson's reaction turbine is a __________ reaction turbine.

60 percent
40 percent
50 percent
70 percent

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